From 6fcdf03fec7d153162c13190dbe9a9327fd05e68 Mon Sep 17 00:00:00 2001
From: fliegerjohn <fliegerjohn@posteo.de>
Date: Sat, 26 Aug 2023 11:01:17 +0200
Subject: [PATCH] Initial commit. Ready for further coding...

---
 LICENSE    |  14 ++
 README.md  |   3 +
 abackup.sh | 433 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 450 insertions(+)
 create mode 100644 LICENSE
 create mode 100644 README.md
 create mode 100755 abackup.sh

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..5a8e332
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,14 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7b88304
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# abackup
+
+A backupscript vor linux(servers).
\ No newline at end of file
diff --git a/abackup.sh b/abackup.sh
new file mode 100755
index 0000000..a81b27e
--- /dev/null
+++ b/abackup.sh
@@ -0,0 +1,433 @@
+#!/bin/bash
+
+#########################################################
+#Script to create backups
+#V0.1.0-1 -- 2021-12-05
+#
+#Fliegerjohn
+#########################################################
+
+#
+# Description
+#
+
+#
+# Usage
+#
+
+# To create a new repo
+#
+# ./abackup.sh 
+
+#
+# variables
+#
+
+# Path to the configfile
+configdir="$HOME/.abackup"
+configfile="abackup.conf"
+
+# Hier werden die zu sichernden Ordner gespeichert
+backupdirsconf="backupdirs.conf"
+# Hier werden die zu ignorierende Ordner gespeichert
+excludebackupdirsconf="excludebackupdirs.conf"
+
+#
+# Passwortoption
+#
+#For the password, several options exists:
+#1 - keyfile and backup password
+#2 - only keyfile
+#3 - only password
+pwoption=1
+
+# Storage location keyfile
+pwdir="$HOME/.keys"
+
+# Keyfile
+keyfile="abackup-secret.key"
+
+# Path of restic installation
+resticbin=`type -tp restic`
+
+# Path to the repository
+repodir=`pwd`
+
+# Get time
+datum=`date`
+
+
+########################
+#     Funktionen       #
+########################
+
+# Generate abackup-secret.key
+abackupkeygen()  {
+
+if [ ! -d "${pwdir}" ]
+then
+	mkdir -p "${pwdir}"
+fi
+
+if [ ! -e "${pwdir}/${keyfile}" ]
+then
+	echo "Generate abackup-secret.key at $pwdir/$keyfile"
+	dd if=/dev/urandom bs=512 skip=1 count=16 > $pwdir/$keyfile
+	chmod 600 $pwdir/$keyfile
+else
+	echo "Keyfile $pwdir/$keyfile already exists"
+fi
+
+}
+
+# Config in datei speichern
+saveconfig() {
+if [[ -e "$configdir/$configfile" ]]
+then
+	time=`date +%+4Y-%m-%d-%H:%I:%S`
+	echo "The configfile already exists, it will be copied to $configdir/confbackup/!"
+	if [[ ! -d "$configdir/confbackup" ]]
+	then
+		mkdir $configdir/confbackup
+	fi
+
+	mv $configdir/$configfile $configdir/confbackup/abackup$time.conf
+fi
+
+# Check the configdir
+if [[ ! -d "$configdir" ]]; then mkdir -p $configdir; fi
+
+# Write config
+touch "$configdir/$configfile"
+echo "########################################
+#Thats the configfile for abackup.
+#Read the README.md vor more Informations.
+#
+########################################
+#
+#
+## Location of keyfile
+#
+pwdir="$pwdir"
+keyfile="$keyfile"
+
+#
+## Options for password
+#
+#For the password, several options exists:
+#1 - keyfile and backup password
+#2 - only keyfile
+#3 - only password
+pwoption="$pwoption"
+
+#
+## Path to the installation of restic
+#
+resticbin="$resticbin"
+
+#
+## Path to the repository
+#
+repodir="$repodir"
+
+
+" >> $configdir/$configfile
+echo "Config saved to $configdir/$configfile"
+
+}
+
+#
+# Create new repository
+#
+resticrepoadd()  {
+
+# Check if restic is installed
+if [[ ! -x ${resticbin} ]]
+then
+    echo "Could not find restic."
+    exit 1
+fi
+
+# Ask user the for the location of the repository
+echo "#
+##########################################################
+#"
+printf "Where should we create the new repo? 
+Please enter the full path (default=$repodir): "
+read answer_repodir
+
+if [[ -n "$answer_repodir" ]]
+then
+	repodir=$answer_repodir
+fi
+
+# Check if a repository is existing. If not it creates one.
+if [[ ! -d "${repodir}" ]]
+then
+	echo "Create repodir!"
+	mkdir -p "${repodir}"
+else
+	echo "Repodir already exists!"
+fi
+
+# Ask which password should be used.
+echo "#
+##########################################################
+#"
+printf "For the password, several options exists:
+1 - keyfile and backup password
+2 - only keyfile
+3 - only password
+
+Please choose one (default=$pwoption): "
+read answer_pwoption
+
+if [[ -n "$answer_pwoption" ]]
+then
+	pwoption=$answer_pwoption
+fi
+
+# Start creation of repository
+echo "#
+##########################################################
+#"
+echo "Start to preparing a new repository at $datum"
+case "$pwoption" in
+	1)
+	abackupkeygen
+	$resticbin init --password-file $pwdir/$keyfile --repo $repodir
+	$resticbin -r $repodir key add --password-file $pwdir/$keyfile
+	$resticbin -r $repodir key list --password-file $pwdir/$keyfile
+	;;
+
+	2)
+	abackupkeygen
+	$resticbin init --password-file $pwdir/$keyfile --repo $repodir
+
+	;;
+
+	3)
+	$resticbin init --repo $repodir
+	;;
+
+esac
+
+# Save config if desired
+echo "#
+##########################################################
+#"
+printf "Do you want to save your config? (y/n)(default=y): "
+read answer_saveconfig
+
+if [[ ! -n "$answer_saveconfig" ]]
+then
+	answer_saveconfig=y
+fi
+
+if [[ "$answer_saveconfig" = "y" ]]
+then
+	echo ""
+	printf "Where do you want to save the config? (default=$configdir): "
+	read answer_configdir
+
+	if [[ -n "$answer_configdir" ]]
+	then
+		configdir=$answer_configdir
+	fi
+
+	saveconfig
+
+elif [[ "$saveconfig" = "n" ]]
+then
+	echo "Exit without saving!"
+else
+	echo "Wrong argument. Exit without saving!"
+	exit 1
+fi
+
+
+}
+
+savebackupdirs()  {
+# Check the configdir
+
+if [[ ! -d "$configdir" ]]; then mkdir -p $configdir; fi
+
+# Ask for the dirs to backup
+printf "Please enter the dirs you want to backup: "
+read answer_backupdirs
+array_backupdirs=( $answer_backupdirs )
+
+if [[ -e $configdir/$backupdirsconf ]]; then echo "Delete old $backupdirsconf and write a new one." && rm $configdir/$backupdirsconf; fi
+touch $configdir/$backupdirsconf
+echo "###############################################################
+# Here you can write down which dirs you want to backup! #
+###############################################################" >> $configdir/$backupdirsconf
+for backupdir in ${array_backupdirs[*]}
+do
+	if [[ ! -d "$backupdir" ]]; then echo "ERROR! Cant find dir $backupdir!" && exit 1; fi
+	echo $backupdir >> $configdir/$backupdirsconf
+done
+
+
+# Ask for the dirs to exclude
+printf "Do you want tho exclude dirs? Write the paths down: "
+read answer_excludebackupdirs
+array_excludebackupdirs=( $answer_excludebackupdirs )
+
+if [[ -e $configdir/$excludebackupdirsconf ]]; then echo "Delete old $excludebackupdirsconf and write a new one." && rm $configdir/$excludebackupdirsconf; fi
+touch $configdir/$excludebackupdirsconf
+echo "##########################################################
+# Here you can write down which dirs you don't want to backup! #
+##########################################################" >> $configdir/$excludebackupdirsconf
+for excludebackupdir in ${array_excludebackupdirs[*]}
+do
+	if [[ ! -d "$excludebackupdir" ]]; then echo "ERROR! Cant find dir $excludebackupdir!" && exit 1; fi
+	echo $excludebackupdir >> $configdir/$excludebackupdirsconf
+done
+
+}
+#
+## Create backup
+#
+backup()  {
+
+echo "Let's create a backup!"
+
+# Check if a configfile exists in the backupdir
+if [[ -e "${configdir}/${backupdirsconf}" ]]
+then
+	echo "Take a backup of the dirs listed in $configdir/$backupdirsconf!"
+	
+	# Ask for the passwordoption
+	# With keyfile
+	if [[ "$pwoption" <  "3" ]]; then
+	$resticbin -r $repodir backup --files-from $configdir/$backupdirsconf --exclude-file=$configdir/$excludebackupdirsconf --password-file="$pwdir/$keyfile"; fi
+	# Without keyfile
+	if [[ "$pwoption" = "3" ]]; then
+	$resticbin -r $repodir backup --files-from $configdir/$backupdirsconf --exclude-file=$configdir/$excludebackupdirsconf; fi
+
+else
+	printf "There is no config for backupdirs!
+Do you want to make a list of backupdirs at $configdir/$backupdirsconf?
+1 - yes
+2 - no, want to get it manualy
+(default=1): "
+
+	read answer_backupdirs
+	echo ""
+
+	# Set standard if input is empty
+	if [[ ! -n "$answer_backupdirs" ]]
+	then
+		answer_backupdirs=1
+	fi
+
+	# Ask for the folders to backup
+	if [[ "$answer_backupdirs" = "1" ]]
+	then
+		savebackupdirs
+		backup
+
+	elif [[ "$answer_backupdirs" = "2" ]]
+	then
+		printf "Please enter the dirs you want to backup: "
+		read backupdirs
+
+		printf "Do you want tho exclude dirs? Write the paths down: "
+		read excludebackupdirs
+
+		# Ask for the passwordoption
+		# With keyfile
+		if [[ "$pwoption" < "3" ]]; then
+		$resticbin -r $repodir backup $backupdirs --exclude=$excludebackupdirs --password-file="$pwdir/$keyfile"; fi
+		# Without keyfile
+		if [[ "$pwoption" = "3" ]]; then
+		$resticbin -r $repodir backup $backupdirs --exclude=$excludebackupdirs; fi
+	
+	else
+		echo "Wrong argument. Exit!"
+		exit 1
+	fi
+fi
+
+}
+
+#
+## Read config
+#
+readconfig()  {
+
+if [[ -e "${configdir}/${configfile}" ]]
+then
+	echo "There is an available config at $configdir/$configfile!"
+	. $configdir/$configfile
+else
+	echo "There is no existing config at $configdir/$configfile!"
+fi
+
+}
+
+#
+printhelp()  {
+echo "
+###########################
+#Use of the Backupscript: #
+###########################
+#
+## Add a new restic-repo
+#
+./abackup --add-restic-repo
+
+#
+## Take a backup
+#
+./abackup --backup
+
+#
+## Print this help
+#
+./abackup --help
+
+"
+}
+
+########################
+#    Main programm     #
+########################
+
+
+# What is to be done
+case "$1" in 
+	--add-restic-repo)
+		readconfig
+		resticrepoadd
+		exit 0
+		;;
+
+	--add-new-backupdirs)
+		readconfig
+		savebackupdirs
+		exit 0
+		;;
+
+	--backup)
+		readconfig
+		backup
+		exit 0
+		;;
+
+	--restore)
+		echo "Later that comand will restore your data!"
+		exit 0
+		;;
+
+	--help)
+		printhelp
+		exit 0
+		;;
+esac
+
+printhelp
+
+